Know all about Troctolite and Andesite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite and Andesite belong to Igneous Rocks.Texture of Troctolite is Phaneritic whereas that of Andesite is Aphanitic to Porphyritic. Troctolite appears Veined and Shiny and Andesite appears Dull and Soft. The luster of Troctolite is not available while that of Andesite is vitreous. Troctolite is available in dark grey to black colors whereas Andesite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Andesite are commemorative tablets, creating artwork.